What happens when a cortisol hormone imbalance occurs?

Cortisol hormone, secreted by the adrenal glands, acts as a biochemical messenger that controls the body's stress response, regulates metabolic processes, adjusts blood pressure, and reduces inflammation [2]. When the balance of this hormone is disrupted due to excessive increase or severe deficiency, the function of many vital systems is impaired, leading to clinical symptoms that require precise medical evaluation to identify the underlying cause of this disorder [2]. Since cortisol affects almost every organ and tissue, any imbalance in this complex hormonal system requires professional medical attention for diagnosis and treatment [2].

Symptoms and effects of high cortisol (Cushing's syndrome)

High cortisol levels for an extended period occur as a result of conditions such as Cushing's syndrome, which may arise from pituitary tumors secreting ACTH, tumors in the adrenal gland itself, or due to chronic use of high doses of steroid medications [2]. Clinical signs associated with this elevation include:

• Noticeable weight gain, especially in the abdominal area and face (known as moon face).
• General muscle weakness, with noticeable thinning of the limbs (arms and legs).
• Fat deposition in unusual places, such as the base of the neck or between the shoulder blades.
• Easy skin bruising and the appearance of wide, purple stretch marks on the abdomen, hips, breasts, and underarms.

Symptoms and effects of low cortisol (Addison's disease)

In contrast, cortisol deficiency is often associated with Addison's disease or hypopituitarism, where the adrenal gland cannot produce enough of the hormone [2]. Patients with low cortisol levels suffer from a range of symptoms that affect their quality of life, including:

• Chronic and severe fatigue that is not relieved by rest.
• General muscle weakness and loss of appetite.
• Unexplained weight loss.
• Recurrent abdominal pain.

In case of acute or sudden symptoms, you should always consult a doctor, as hormonal disorders affect the body's overall balance [1].

Diagnosis process and medical steps

Doctors rely on a series of laboratory tests to evaluate cortisol levels in conjunction with ACTH hormone, as a change in one often reflects an imbalance in the hormonal feedback loop [2]. For example, high levels of both hormones may indicate a pituitary problem, while high ACTH with low cortisol indicates damage to the adrenal gland [2]. For more understanding of how hormonal changes affect general health, you can review the article Hormones and their role in the human body: A comprehensive guide to functions and imbalances (Arabic).

Remember that diagnosis requires specialized tests and may involve diagnostic imaging such as an MRI to rule out tumors, so you should not rely on self-diagnosis or attempt any treatment without specialized medical supervision [2].

Medical references

• Hormones
• Adrenocorticotropic Hormone (ACTH)